Defensive publication

ABSTRACT

THIS INVENTION RELATES TO DIMETHYL 5-BROMOISOPHTHALATE, WHICH IS USEFUL AS AN INTERMEDIATE IN THE PREPARATION OF MONOMERS, SUCH AS 5-(4-SODIOSULFOPHENOXY) ISOPHTHALATE, SAID MONOMERS BEING USED TO IMPART BASIC DYEABILITY TO POLYESTERS FIBERS.

DEFENSIVE PULICATION UNITED STATES PATENT OFFICE Published at therequest of the applicant or owner in accordance with the Notice of Dec.16, 1969, 869 0.6%. 687. The abstracts of Defensive Publicationapplications are identified by distinctly numbered series and arearranged chronologically. The heading of each abstract indicates thenumber of pages of specification, including claims and sheets ofdrawings contained in the application as originally filed. The files ofthese applications are available to the public for inspection andreproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to themerits of alleged invention. The Patent Ofiice makes no assertion as tothe novelty of the disclosed subject matter.

PUBLISHED SEPTEMBER 3, 1974 T926,013 DIMETHYL S-BROMOISOPHTHALATEBenjamin Thompson, 2204 Montrose Drive, Kingsport, Tenn. 37664 FiledFeb. 22, 1W4, Ser. No. 444,938 Int. Cl. C070 69/80 US. Cl. 260-475 R NoDrawing. 3 Pages Specification This invention relates to dirncthylS-bromoisophthalate, which is useful as an intermediate in thepreparation of monomers, such as 5-(4-sodiosulfophenoxy) isophthalate,said monomers being used to impart basic dyeability to polyester fibers.

